Refrigerating apparatus



Jan. 13, 1931. LL 1,788,392

REFRIGERATING APPARATUS Filed April so, 1924 2 SheetsShee 2 Patented Jan. 13, 1931 UNITED STATES PATENT OFFICE HARRY B. HULL, OF DAYTON, OHIO, ASSIGNOB, BY MESNE ASSIGNMENTS, TO FRIGID- AIRE CORPORATION, A CORPORATION OF DELAWARE BEFRIGERATING APPARATUS Application filed r m 30,

The present invention relates to a refrigerating apparatus and particularly to the construction of the refrigerating cabinet having a food compartment and a cooling compartment in which air is circulated from one compartment to the other.

One of the objects of the present inven tion is to simplify the construction and to reduce the cost of manufacture of the cabinet of a refrigerator by minimizing the openings in the wall which separate the cooling compartment from the food compartment. In carrying out this object a single opening is provided in the wall which separates the cooling compartment from the food compartment which isadapted to receive a plurality of passages for the relatively cold and warm air, one of said passages being adapt-ed to conduct into the food compartment ice blocks-which are formed within the cooling compartment.

Further objects and advantages of the present invention will be apparent from the following description, reference being had to the accompanying drawings, wherein a preferred form of embodiment of the pres. ent invention is clearly shown.

In the drawings:

Fig. 1 is a view, partly in section, showing the cooling compartment and the food compartment of the improved refrigerator.

Fig. 2 is a sectional view taken on the line 22 of Fig. 1. I a

Fig. 3 is a sectional view taken on the line 33 of Fig. 1.

Referring to the drawings, 20 is a refrigerator cabinet including a food compartment 21 having a lining 22, a cooling compartment 23 and a machine compartment 24. The machine compartment 24 is separated from the cooling compartment and the food compartment by insulating wall 25. The food compartment is separated from the cooling compartment 23 by a wall 26. A mechanical refrigerating apparatus 27 of the absorption type is adapted to cool the cooling compartment 23. The apparatus 27 is substantially the same as that shown and described in the patent to David F. Keith, No. 1,510,147 issued September 30, 1924. A portion of the 1924. Serial No. 710,129.

apparatus 27 is located within the machine compartment 24 while the evaporator-condenser portion 29 is located within the cooling compartment 23. The entire mechanical refrigerating apparatus 27 is pivoted at 30 to a bracket 31 carried by wall 25. The evaporator-condenser 29 includes a plurality of tubes-33 which are connected to a header 34. A cup 36 is carried by one wall of the compartment 23 and is adapted to receive a stud 37 carried by the header 34. Cup 36 contains a quantity of water which is frozen therein during the evaporating cycle within the evaporator-condenser 29'and is adapted to lock stud 37 in position. Ice cups, one of which is shown at '40, are carried within the compartment 23 and are adapted to receive water to be frozen therein in small blocks during the evaporating cycle. Ice studs, one of which is shown at 41, are carried by the evaporator-condenser 29 and are adapted to be received within cups 40.

Theapparatus thus far described operates as follows, assuming the refrigerating part of the cycle is about to begin. The condenserevaporator is filled with liquid refrigerant, I

the weight of which overbalances the device and turns it clockwise on the pivot 30 as far as it will go. As the refrigerant evaporates anism in place. lrVater in the cups 40 (which are periodically filled as required) is also frozen.

l/Vhen all of the refrigerant has evaporated it has been absorbed in the absorber (not shown) in compartment 24. This end of the apparatus is now the heavier, but the evaporator end is held down by the ice lock 37. The refrigerating part of the cycle is now at an end, and the compartment 23 and parts therein begin to get warm. The ice in the cups 40 melts away from the sides of the cups, and the ice lock 36 melts, releasing the apparatus to rock counterclockwise. When this happens the ice blocks in 40 are lifted on the prongs 41. Because the prongs 41 are at an angle to the vertical, as further melting occurs, the blocks slide off the prongs, missing the cups 40 and drop into the chute 48..

ing which is adapted to receivea conduit located below the evaporator-condenser 29.

A tube 46 carried by the lining 22 fof food compartment 21 extends throu h the conduit 45 and is located at one side t ereof. Tube 46 extends into the cooling compartment 23 where it terminates above the evaporatorcondenser 29. Conduit 45 terminates at the underside of the wall 26 while the tube 46 terminates a substantial distance below said wall. The air which is cooled within the cooling compartment 23 passes through conduit 45 and forces the warm air upwardly through tube 46 and above the evaporatorcondenser 29. The air is'cooled when it passes downwardly about the evaporatorcondenser 29.

Since the cooling compartment of refrigcrating apparatus of this type becomes quite warm during the condensing phase of the operating cycle, it is desirable to remove the ice blocks from this compartment as soon as they are harvested. For this purpose the chute 48, mounted on the bottom wall of compartment 23, conducts or directs the ice blocks into the conduit 45 and drops them into the storage compartment 21. An ice storage receptacle 50 is supported by a base 51 which in turn, is carried by a ipe 52. Pipe 52 is connected with drain pipe 53 which leads from the cooling compartment 23. A wire chute 55 is clamped to the tube 46 within the food compartment 21 and below the wall 26.

This chute receives theice blocks which pass through the conduit 45 and conducts them to the receptacle 50. Water from the receptacle 50 is drained into pipe 53 by pipe 52. Due

to the location of the receptacle 50 at one side of the openin 45, the ice is stored out of the direct path 0 air currents issuing from the flue 45 This permits the ice to melt more slowly than if it were stored directly beneath the opening. Moreover the ice receptacle doesnot block the circulation of air. The

chute 55 is necessarily directly in the path vided which is relatively simple in construct'ion and in which the cost of manufacture has been reduced. With the improved construction only one opening is necessary in the wall 26 for warm and cold air for the passage of.

ice blocks from one compartment to the other. In this manner the lining 22 can be made cheaper than if a plurality of openings are neccessary. When only one opening is required,-the openings in lining 22, insulation 26, and the bottom wall of the food compart-,

ment 23 are more readiligligned.

While the form of em diment of the pres- .ent invention as herein disclosed, constitutes a preferred form, it is to be understood that ot er forms might be adopted, all coming within the scope of the claims which follow.

What is claimed is as follows 1. Refrigerating apparatus comprising, in combination, a storage compartment a cooling compartment, a wall between the compartments, said wall having an opening to form an air passage between the compartments. and a conduit extending longitudinally rough the opening to form a. second air passage between the compartments.

2. Refrigerating apparatus comprising, in combination, a storage compartment a cooling compartment, a wall between the compartments, said wall having an opening to form an air passage between 'the-compartments, and a conduit extending longitudinally through the opening to form a second air passage between the compartments, one ofsaid passages terminating in the storage compartment adjacent said wall, the other of said passages terminating in the storage compartment remote from said wall.

3. Refrigerating apparatus comprising, in combination, a storage compartment, a cooling compartment, a receptacle adapted to receive water to be frozen, means in said cooling compartment for freezing the waterand for removing the ice from said receptacle, a wall between the compartments, said wall having an opening to form an air passage between the compartments, and a conduit extending through the opening to form a second air passage. between the compartments, one of said passages being adapted to receive the ice and conduct same to the storage compartment.

4. Refrigerating apparatus comprising, in combination, a storage compartment, a cooling compartment, a receptacle adapted to receive water to be frozen, means in said cooling compartment for freezing the .water and for removing the ice from said receptacle, a wall between the compartments, said wall having an opening to form an air passage between the compartments,'and a conduit extending through and located at one side of said passage, said conduit forming a second 7 air passage between the compartment, the other side of said first passage being adapted to receive the ice and conduct same to the storage compartment. I

5. Refrigerating apparatus comprising, in combination, a storage compartment, a cooling compartment, a receptacle adapted to receive water to be frozen, means in said cooling compartment for freezing the water and for removing the ice from saidreceptacle, a

wall between the compartments, said wall having an opening to form an air passage between the compartments, a conduit extending through the opening to form a second air passage between the compartments, one of said passages being adapted to receive the ice and conduct same to the storage compartment, an ice receptacle within the storage compartment, and an ice chute carried by the conduit for directing the ice to the last receptacle.

6. Refrigerating apparatus comprising in combination a storage compartment, a cooling compartment adapted to receive a cooling device, a wall between the compartments, said wall having an opening forming an air passage between the compartments, and a conduit extending longitudinally through the opening to form a second air passage between the compartments, one of said passages terminating in a portion of the cooling compartment to be maintained relatively warm by the cooling device and the other of said passages terminating in a portion of the cooling compartment to be maintained relatively cold by the cooling device.

7 Refrigerating apparatus comprising in combination a storage compartment, a cooling compartment, a wall between the compartments having an openingto form an inlet passage for air from the cooling compartment to the storage compartment, and a conduit extending through the opening to form an outlet passage for air from the storage compartmentto the cooling compartment. said inlet passage terminating in the storage compartment adjacent the wall and said outlet passage terminating within the storage compartment remote from the wall.

, 8. Refrigerating apparatus comprising in combination a storage compartment, a cooling compartment, a wall between the compartments having an opening to form an inlet passage for air from the cooling compartment to the storage compartment, and a conduit extending through the opening to form an outlet passage for air from the storage compartment to the cooling compartment, said inlet passage terminating in the cooling compartment adjacent the wall and said outlet passage terminating within the cooling compartment remote fromthe wall.

9. Refrigerating apparatus comprising in combination a storage compartment, a cooling compartment, a Wall between the compartments having an opening forming an air passage betweenthe compartments and a conduit extending longitudinally through the opening to form a second air passage between the compartments, one of said passages terminating in the lower portion of the cooling compartment and the other passage terminatage compartment. for conducting the ice blocks away from the line of the opening.

1 1,'Refr1gerating apparatus comprising in'jcombiiiation a cabinet having a storage compartment and a cooling compartment and an opening for circulating air between the compartments and for conducting ice blocks from the cooling compartment to the storage compartment, and means for conducting ice blocks away from the lineof the opening, said means being adapted to permit the substantially unrestricted flow of air through the opening.

12. Refrigerating apparatus comprising in combination a cabinet having a storage compartment and a cooling compartment and an opening for circulating air between the compartments and for conducting ice blocks from the cooling compartment to the storage compartment, and means for conducting ice blocks away from the line of the opening, said means being constructed and arranged to permit the substantially unrestricted flow of air through the means.

13. Refrigerating apparatus comprising in combination 'a cooling compartment, a storage compartment, a Wall separating the compartments, said wall having a passage therethrough for conducting air from the cooling compartment to the storage compartment and 05 a second passage therethrough for conducting air from the storage compartment to the cooling compartment, and means for freezing ice in the cooling compartment and for delivering said ice to the first mentioned passage. said first named passage being unobstructed to the passage of solid bodies and arranged to conduct the ice from the cooling compartment to the storage compartment.

14. Refrigerating apparatus comprising in combination a cooling compartment, a storage compartment, a wall separating the compartments, said wall having a passage there'- through for conducting air between the compartments, and means for freezing ice in the cooling compartment and for delivering said ice to the passage, said passage being unobstructed to the passage of solid bodies and arranged to conduct the ice from the cooling compartment to the storage compartment.

15. Refrigerating apparatus comprising in combination a cooling compartment, a storage compartment, a wall separating the compartments, said wall having a passage therethrough for conducting air from the cooling compartment to the storage compartment and a second passage for conducting air from the storage compartment to the cooling compartment, means for freezing ice in the cooling compartment, said first mentioned passage being unobstructed to the passage of solid bodies and arranged to conduct ice from the cooling compartment to the storage compartment, a receptacle within the storage compartment for receiving the ice, said're- 13o said first mentioned 4 conducting the ice from t ceptacle being located out of alignment with and means for e first mentioned passa to saidreceptacle, said last mention meanshaving an opening therethrough for the p of air.

16. A refrigerator comprising in combination astorage compartment, a cooling compartm'ent, an evaporator within the cooling compartment, a receptacle within the cooling compartment for receiving water .to be frozen, a second receptacle within the food compartment adapted to receive ice, means for conveying the ice from the coolin compartment to said second rece tacle, an a common drainconnected with t e second receptacle and the cooling compartment.

- 17., A refrigerator comprising a storage compartment, a cooling compartment located above the storage compartment, an evaporator within the cooling compartment, a re- 'ceptacle within the'cooling compartment for receivin water to be frozen, a second receptacle within the storage compartment adapted to receive ice means for conveying the ice from the coohng compartment to the second receptacle, and a vertically extending 'drain located on the side of the storagecom artment and connected to the bottom 0 the cooling compartment and with the second receptacle.-

, In testimony whereof I hereto afiix my sig- HARRY B. HULL.

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